Heat insulated box



FIG. 1 is a top, front and right perspective view of a heat insulated box showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, rear and left perspective view thereof.

The broken lines and areas within them depict portions of the heat insulated box that form no part of the claimed design. The dot-dash-dot broken lines in FIGS. 4 and 5 depict the boundaries of the claim and form no part thereof. 

CLAIM The ornamental design for a heat insulated box, as shown and described. 